the rear tailgate window will not operate, only at times do i need new motor or on 2001 Toyota Sequoia

t he rear tailgate window will only work very occasionally do i need a new motor or is there some else i could try first. Second question same vehicle all the indicator lights work on gear shift except for the ;light for Drive, can i just replace a bulb? and if so how difficult?

Asked by for the 2001 Toyota Sequoia
1 answer
check the regulator first before buying parts, now in colder weather the motor works hard if cables and rails need grease...try in youtube replacing bulb.